Category · FY2027
T40 Poisoning by, adverse effect of and underdosing of narcotics and psychodysleptics [hallucinogens]
- Header · not billable
- Codes take a 7th character
T40 is not billable. The category heads 258 billable codes in FY2027, grouped under 10 subdivisions. Its codes take a 7th character, so none is complete with fewer than 7 characters.
Where it sits
- Chapter 19 Injury, poisoning and certain other consequences of external causes (S00-T88)
- T36-T50 Poisoning by, adverse effects of and underdosing of drugs, medicaments and biological substances (T36-T50)
- T40 Poisoning by, adverse effect of and underdosing of narcotics and psychodysleptics [hallucinogens]
- Billable codes
- 258
- Subdivisions
- 10
- CC / MCC codes
- 0 / 0
- HCC V28 codes
- 41
- New FY2027
- 0
- Index entries
- 0
Codes in T40
- T40.0Poisoning by, adverse effect of and underdosing of opiumHeader
- T40.0XPoisoning by, adverse effect of and underdosing of opiumHeader
- T40.0X1Poisoning by opium, accidental (unintentional) +7th: A D SNeeds 7th character137 (some 7th characters)Exempt: 2 of 3 7th characters
Inclusion terms 1
Inclusion terms
- Poisoning by opium NOS
- T40.0X2Poisoning by opium, intentional self-harm +7th: A D SNeeds 7th character155 (some 7th characters)Exempt: 2 of 3 7th characters
- T40.0X3Poisoning by opium, assault +7th: A D SNeeds 7th characterExempt: 2 of 3 7th characters
- T40.0X4Poisoning by opium, undetermined +7th: A D SNeeds 7th character137 (some 7th characters)Exempt: 2 of 3 7th characters
- T40.0X5Adverse effect of opium +7th: A D SNeeds 7th characterExempt: 2 of 3 7th characters
- T40.0X6Underdosing of opium +7th: A D SNeeds 7th characterExempt: 2 of 3 7th characters
- T40.1Poisoning by and adverse effect of heroinHeader
- T40.1XPoisoning by and adverse effect of heroinHeader
- T40.1X1Poisoning by heroin, accidental (unintentional) +7th: A D SNeeds 7th character137 (some 7th characters)Exempt: 2 of 3 7th characters
Inclusion terms 1
Inclusion terms
- Poisoning by heroin NOS
- T40.1X2Poisoning by heroin, intentional self-harm +7th: A D SNeeds 7th character155 (some 7th characters)Exempt: 2 of 3 7th characters
- T40.1X3Poisoning by heroin, assault +7th: A D SNeeds 7th characterExempt: 2 of 3 7th characters
- T40.1X4Poisoning by heroin, undetermined +7th: A D SNeeds 7th character137 (some 7th characters)Exempt: 2 of 3 7th characters
- T40.2Poisoning by, adverse effect of and underdosing of other opioidsHeader
- T40.2XPoisoning by, adverse effect of and underdosing of other opioidsHeader
- T40.2X1Poisoning by other opioids, accidental (unintentional) +7th: A D SNeeds 7th character137 (some 7th characters)Exempt: 2 of 3 7th characters
Inclusion terms 1
Inclusion terms
- Poisoning by other opioids NOS
- T40.2X2Poisoning by other opioids, intentional self-harm +7th: A D SNeeds 7th character155 (some 7th characters)Exempt: 2 of 3 7th characters
- T40.2X3Poisoning by other opioids, assault +7th: A D SNeeds 7th characterExempt: 2 of 3 7th characters
- T40.2X4Poisoning by other opioids, undetermined +7th: A D SNeeds 7th character137 (some 7th characters)Exempt: 2 of 3 7th characters
- T40.2X5Adverse effect of other opioids +7th: A D SNeeds 7th characterExempt: 2 of 3 7th characters
- T40.2X6Underdosing of other opioids +7th: A D SNeeds 7th characterExempt: 2 of 3 7th characters
- T40.3Poisoning by, adverse effect of and underdosing of methadoneHeader
- T40.3XPoisoning by, adverse effect of and underdosing of methadoneHeader
- T40.3X1Poisoning by methadone, accidental (unintentional) +7th: A D SNeeds 7th character137 (some 7th characters)Exempt: 2 of 3 7th characters
Inclusion terms 1
Inclusion terms
- Poisoning by methadone NOS
- T40.3X2Poisoning by methadone, intentional self-harm +7th: A D SNeeds 7th character155 (some 7th characters)Exempt: 2 of 3 7th characters
- T40.3X3Poisoning by methadone, assault +7th: A D SNeeds 7th characterExempt: 2 of 3 7th characters
- T40.3X4Poisoning by methadone, undetermined +7th: A D SNeeds 7th character137 (some 7th characters)Exempt: 2 of 3 7th characters
- T40.3X5Adverse effect of methadone +7th: A D SNeeds 7th characterExempt: 2 of 3 7th characters
- T40.3X6Underdosing of methadone +7th: A D SNeeds 7th characterExempt: 2 of 3 7th characters
- T40.4Poisoning by, adverse effect of and underdosing of other synthetic narcoticsHeader
- T40.41Poisoning by, adverse effect of and underdosing of fentanyl or fentanyl analogsHeader
- T40.411Poisoning by fentanyl or fentanyl analogs, accidental (unintentional) +7th: A D SNeeds 7th character137 (some 7th characters)Exempt: 2 of 3 7th characters
- T40.412Poisoning by fentanyl or fentanyl analogs, intentional self-harm +7th: A D SNeeds 7th character155 (some 7th characters)Exempt: 2 of 3 7th characters
- T40.413Poisoning by fentanyl or fentanyl analogs, assault +7th: A D SNeeds 7th characterExempt: 2 of 3 7th characters
- T40.414Poisoning by fentanyl or fentanyl analogs, undetermined +7th: A D SNeeds 7th character137 (some 7th characters)Exempt: 2 of 3 7th characters
- T40.415Adverse effect of fentanyl or fentanyl analogs +7th: A D SNeeds 7th characterExempt: 2 of 3 7th characters
- T40.416Underdosing of fentanyl or fentanyl analogs +7th: A D SNeeds 7th characterExempt: 2 of 3 7th characters
- T40.42Poisoning by, adverse effect of and underdosing of tramadolHeader
- T40.421Poisoning by tramadol, accidental (unintentional) +7th: A D SNeeds 7th character137 (some 7th characters)Exempt: 2 of 3 7th characters
- T40.422Poisoning by tramadol, intentional self-harm +7th: A D SNeeds 7th character155 (some 7th characters)Exempt: 2 of 3 7th characters
- T40.423Poisoning by tramadol, assault +7th: A D SNeeds 7th characterExempt: 2 of 3 7th characters
- T40.424Poisoning by tramadol, undetermined +7th: A D SNeeds 7th character137 (some 7th characters)Exempt: 2 of 3 7th characters
- T40.425Adverse effect of tramadol +7th: A D SNeeds 7th characterExempt: 2 of 3 7th characters
- T40.426Underdosing of tramadol +7th: A D SNeeds 7th characterExempt: 2 of 3 7th characters
- T40.49Poisoning by, adverse effect of and underdosing of other synthetic narcoticsHeader
- T40.491Poisoning by other synthetic narcotics, accidental (unintentional) +7th: A D SNeeds 7th character137 (some 7th characters)Exempt: 2 of 3 7th characters
Inclusion terms 1
Inclusion terms
- Poisoning by other synthetic narcotics NOS
- T40.492Poisoning by other synthetic narcotics, intentional self-harm +7th: A D SNeeds 7th character155 (some 7th characters)Exempt: 2 of 3 7th characters
- T40.493Poisoning by other synthetic narcotics, assault +7th: A D SNeeds 7th characterExempt: 2 of 3 7th characters
- T40.494Poisoning by other synthetic narcotics, undetermined +7th: A D SNeeds 7th character137 (some 7th characters)Exempt: 2 of 3 7th characters
- T40.495Adverse effect of other synthetic narcotics +7th: A D SNeeds 7th characterExempt: 2 of 3 7th characters
- T40.496Underdosing of other synthetic narcotics +7th: A D SNeeds 7th characterExempt: 2 of 3 7th characters
- T40.5Poisoning by, adverse effect of and underdosing of cocaineHeader
- T40.5XPoisoning by, adverse effect of and underdosing of cocaineHeader
- T40.5X1Poisoning by cocaine, accidental (unintentional) +7th: A D SNeeds 7th character137 (some 7th characters)Exempt: 2 of 3 7th characters
Inclusion terms 1
Inclusion terms
- Poisoning by cocaine NOS
- T40.5X2Poisoning by cocaine, intentional self-harm +7th: A D SNeeds 7th character155 (some 7th characters)Exempt: 2 of 3 7th characters
- T40.5X3Poisoning by cocaine, assault +7th: A D SNeeds 7th characterExempt: 2 of 3 7th characters
- T40.5X4Poisoning by cocaine, undetermined +7th: A D SNeeds 7th character137 (some 7th characters)Exempt: 2 of 3 7th characters
- T40.5X5Adverse effect of cocaine +7th: A D SNeeds 7th characterExempt: 2 of 3 7th characters
- T40.5X6Underdosing of cocaine +7th: A D SNeeds 7th characterExempt: 2 of 3 7th characters
- T40.6Poisoning by, adverse effect of and underdosing of other and unspecified narcoticsHeader
- T40.60Poisoning by, adverse effect of and underdosing of unspecified narcoticsHeader
- T40.601Poisoning by unspecified narcotics, accidental (unintentional) +7th: A D SNeeds 7th character137 (some 7th characters)Exempt: 2 of 3 7th characters
Inclusion terms 1
Inclusion terms
- Poisoning by narcotics NOS
- T40.602Poisoning by unspecified narcotics, intentional self-harm +7th: A D SNeeds 7th character155 (some 7th characters)Exempt: 2 of 3 7th characters
- T40.603Poisoning by unspecified narcotics, assault +7th: A D SNeeds 7th characterExempt: 2 of 3 7th characters
- T40.604Poisoning by unspecified narcotics, undetermined +7th: A D SNeeds 7th character137 (some 7th characters)Exempt: 2 of 3 7th characters
- T40.605Adverse effect of unspecified narcotics +7th: A D SNeeds 7th characterExempt: 2 of 3 7th characters
- T40.606Underdosing of unspecified narcotics +7th: A D SNeeds 7th characterExempt: 2 of 3 7th characters
- T40.69Poisoning by, adverse effect of and underdosing of other narcoticsHeader
- T40.691Poisoning by other narcotics, accidental (unintentional) +7th: A D SNeeds 7th character137 (some 7th characters)Exempt: 2 of 3 7th characters
Inclusion terms 1
Inclusion terms
- Poisoning by other narcotics NOS
- T40.692Poisoning by other narcotics, intentional self-harm +7th: A D SNeeds 7th character155 (some 7th characters)Exempt: 2 of 3 7th characters
- T40.693Poisoning by other narcotics, assault +7th: A D SNeeds 7th characterExempt: 2 of 3 7th characters
- T40.694Poisoning by other narcotics, undetermined +7th: A D SNeeds 7th character137 (some 7th characters)Exempt: 2 of 3 7th characters
- T40.695Adverse effect of other narcotics +7th: A D SNeeds 7th characterExempt: 2 of 3 7th characters
- T40.696Underdosing of other narcotics +7th: A D SNeeds 7th characterExempt: 2 of 3 7th characters
- T40.7Poisoning by, adverse effect of and underdosing of cannabis (derivatives)Header
- T40.71Poisoning by, adverse effect of and underdosing of cannabis (derivatives)Header
- T40.711Poisoning by cannabis, accidental (unintentional) +7th: A D SNeeds 7th characterExempt: 2 of 3 7th characters
- T40.712Poisoning by cannabis, intentional self-harm +7th: A D SNeeds 7th character155 (some 7th characters)Exempt: 2 of 3 7th characters
- T40.713Poisoning by cannabis, assault +7th: A D SNeeds 7th characterExempt: 2 of 3 7th characters
- T40.714Poisoning by cannabis, undetermined +7th: A D SNeeds 7th characterExempt: 2 of 3 7th characters
- T40.715Adverse effect of cannabis +7th: A D SNeeds 7th characterExempt: 2 of 3 7th characters
- T40.716Underdosing of cannabis +7th: A D SNeeds 7th characterExempt: 2 of 3 7th characters
- T40.72Poisoning by, adverse effect of and underdosing of synthetic cannabinoidsHeader
- T40.721Poisoning by synthetic cannabinoids, accidental (unintentional) +7th: A D SNeeds 7th characterExempt: 2 of 3 7th characters
- T40.722Poisoning by synthetic cannabinoids, intentional self-harm +7th: A D SNeeds 7th character155 (some 7th characters)Exempt: 2 of 3 7th characters
- T40.723Poisoning by synthetic cannabinoids, assault +7th: A D SNeeds 7th characterExempt: 2 of 3 7th characters
- T40.724Poisoning by synthetic cannabinoids, undetermined +7th: A D SNeeds 7th characterExempt: 2 of 3 7th characters
- T40.725Adverse effect of synthetic cannabinoids +7th: A D SNeeds 7th characterExempt: 2 of 3 7th characters
- T40.726Underdosing of synthetic cannabinoids +7th: A D SNeeds 7th characterExempt: 2 of 3 7th characters
- T40.8Poisoning by and adverse effect of lysergide [LSD]Header
- T40.8XPoisoning by and adverse effect of lysergide [LSD]Header
- T40.8X1Poisoning by lysergide [LSD], accidental (unintentional) +7th: A D SNeeds 7th character137 (some 7th characters)Exempt: 2 of 3 7th characters
Inclusion terms 1
Inclusion terms
- Poisoning by lysergide [LSD] NOS
- T40.8X2Poisoning by lysergide [LSD], intentional self-harm +7th: A D SNeeds 7th character155 (some 7th characters)Exempt: 2 of 3 7th characters
- T40.8X3Poisoning by lysergide [LSD], assault +7th: A D SNeeds 7th characterExempt: 2 of 3 7th characters
- T40.8X4Poisoning by lysergide [LSD], undetermined +7th: A D SNeeds 7th character137 (some 7th characters)Exempt: 2 of 3 7th characters
- T40.9Poisoning by, adverse effect of and underdosing of other and unspecified psychodysleptics [hallucinogens]Header
- T40.90Poisoning by, adverse effect of and underdosing of unspecified psychodysleptics [hallucinogens]Header
- T40.901Poisoning by unspecified psychodysleptics [hallucinogens], accidental (unintentional) +7th: A D SNeeds 7th character137 (some 7th characters)Exempt: 2 of 3 7th characters
- T40.902Poisoning by unspecified psychodysleptics [hallucinogens], intentional self-harm +7th: A D SNeeds 7th character155 (some 7th characters)Exempt: 2 of 3 7th characters
- T40.903Poisoning by unspecified psychodysleptics [hallucinogens], assault +7th: A D SNeeds 7th characterExempt: 2 of 3 7th characters
- T40.904Poisoning by unspecified psychodysleptics [hallucinogens], undetermined +7th: A D SNeeds 7th character137 (some 7th characters)Exempt: 2 of 3 7th characters
- T40.905Adverse effect of unspecified psychodysleptics [hallucinogens] +7th: A D SNeeds 7th characterExempt: 2 of 3 7th characters
- T40.906Underdosing of unspecified psychodysleptics [hallucinogens] +7th: A D SNeeds 7th characterExempt: 2 of 3 7th characters
- T40.99Poisoning by, adverse effect of and underdosing of other psychodysleptics [hallucinogens]Header
- T40.991Poisoning by other psychodysleptics [hallucinogens], accidental (unintentional) +7th: A D SNeeds 7th character137 (some 7th characters)Exempt: 2 of 3 7th characters
Inclusion terms 1
Inclusion terms
- Poisoning by other psychodysleptics [hallucinogens] NOS
- T40.992Poisoning by other psychodysleptics [hallucinogens], intentional self-harm +7th: A D SNeeds 7th character155 (some 7th characters)Exempt: 2 of 3 7th characters
- T40.993Poisoning by other psychodysleptics [hallucinogens], assault +7th: A D SNeeds 7th characterExempt: 2 of 3 7th characters
- T40.994Poisoning by other psychodysleptics [hallucinogens], undetermined +7th: A D SNeeds 7th character137 (some 7th characters)Exempt: 2 of 3 7th characters
- T40.995Adverse effect of other psychodysleptics [hallucinogens] +7th: A D SNeeds 7th characterExempt: 2 of 3 7th characters
- T40.996Underdosing of other psychodysleptics [hallucinogens] +7th: A D SNeeds 7th characterExempt: 2 of 3 7th characters
Sources of each column. Rows marked +7th need a 7th character: pick one to build the full code; its code card has its own flags.
Instructions
At T40
Notes that also apply
Block T36-T50 instructions (Notes 1, Includes 4, Excludes1 1, Excludes2 5, Code first 7, Use additional code 4): printed on the block page.
Chapter 19 instructions (Notes 2, Excludes2 2, Use additional code 1): printed on the chapter 19 page.
7th characters
7th characters for T40 defined here
The appropriate 7th character is to be added to each code from category T40
| 7th | Meaning (NCHS) |
|---|---|
| A | initial encounter |
| D | subsequent encounter |
| S | sequela |
A code that takes a 7th character is invalid without it; the placeholder X fills a code shorter than 6 characters (Official Guidelines I.A.5). How 7th characters work.